<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>index</title>
    <script src="https://libs.baidu.com/jquery/2.1.1/jquery.min.js"></script>
    <script type="text/javascript" src="../static/index.js"></script>
</head>
<body>
<div>
    <span></span>
    <p></p>
    <label></label>
</div>
<br>
<div>
    <span id="b" class="s"></span>
    <p id="a"></p>
    <label></label>
    <br>
    <a>aa</a>
    <br>
    <b>bbb</b>
</div>
</body>
</html>